Analog Output Calibration; Analog Input Channels And Rear Panel Pin Connections - Thermo Scientific 49i Instruction Manual

Servicing

Analog Output Calibration

Analog Output
Calibration
7-14 Model 49i Instruction Manual
Table 7-4. Analog Output Channels and Rear Panel Pin Connections
Voltage Pin
Channel
1 14
2 33
3 15
4 34
5 17
6 36
Ground 16, 18, 19, 35, 37
Table 7-5. Analog Input Channels and Rear Panel Pin Connections
Input Channel Pin
1 1
2 2
3 3
4 5
5 6
6 7
7 9
8 10
Ground 4, 8, 11, 14
Use the following procedure to calibrate the analog outputs if a meter
reading in the "Analog Output Testing" procedure differed by more than
one percent or after replacing the optional I/O expansion board.
Equipment Required:
Multimeter
1. Connect a meter to the channel to be adjusted and set to voltage or
current as appropriate.
Table 7-4 identifies the associated channels.
Current
Channel
1
2
3
4
5
6
Current Output Return
Figure 7-6 shows the analog output pins and
Pin
15
17
19
21
23
25
13, 16, 18, 20, 22, 24
Thermo Fisher Scientific